27Al NMR studies in grain-aligned PrNi2Al5

被引：1

作者：

Ghoshray, A. ^{[1
]}

Sarkar, R. ^{[1
]}

Pahari, B. ^{[1
]}

Ghoshray, K. ^{[1
]}

Bandyopadhyay, B. ^{[1
]}

机构：

[1] Saha Inst Nucl Phys, ECMP Div, Kolkata 700064, W Bengal, India

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期

关键词：

knight shift; crystalline electric field; s-f exchange; PrNi2Al5;

D O I：

10.1016/j.jmmm.2006.10.079

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Al-27 Knight shift (K) in grain aligned PrNi2Al5 has been measured, in the temperature range 3.5-320 K, for two crystallographic non-equivalent Al sites. K becomes independent of temperature below 25 K in each case. chi(f)(T) for a Pr3+ ion in the orthorhombic crystal-field has been calculated to estimate the crystalline-electric-field (CEF) coefficients using K. The over-all crystal-field splitting (Delta) is 660K and CEF energy from the ground state to the first excited state is 45 K. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：371 / 373

页数：3

共 13 条

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